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经营范围
发明名称
Slow setting cement
摘要
申请公布号
US2374581(A)
申请公布日期
1945.04.24
申请号
US19400316763
申请日期
1940.02.01
申请人
LONE STAR CEMENT CORPORATION
发明人
BROWN LEVI S.
分类号
C04B22/10;C04B24/06
主分类号
C04B22/10
代理机构
代理人
主权项
地址
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